<template>
  <div class="login_c">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>

      <el-form class="login_form" :model="loginForm" ref='loginFormRef' :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  props: {
    msg: String
  },
  data(){
    return {
      loginForm:{
         username:"admin",
        password:"123456"
      },
      loginFormRules:{
        username:[
          {required:true,message:"用户名不能为空"},
          {min:2,max:10,message:"长度在2-10个字符之间",trigger:"blur"}
        ],
        password:[
          {required:true,message:"密码不能为空"},
          {min:6,max:16,message:"长度在6-16个字符之间",tigger:"blur"}
        ]
      },
    }
  },
  methods:{
    login(){
      this.$refs.loginFormRef.validate(async valid => {
        if(valid){
          const {data:res} = await this.$http.post("login",this.loginForm);
          if(res.meta.status !== 200) return this.$message.error("登录失败");
          this.$message.success("登录成功");
          window.sessionStorage.setItem("token",res.data.token);
          this.$router.push("/home")
        }else{
          console.log("格式不正确");
        }
      })
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="less">
  .login_c{
    background-color: cadetblue;
    height: 100%;
  }
  .login_box{
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    .avatar_box{
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow:0 0 10px #ddd;
      position: absolute;
      left:50%;
      transform: translate(-50%,-50%);
      background-color: #fff;
      img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
  .login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .btns{
    display: flex;
    justify-content: flex-end;
  }
</style>
